package com.wuzao.leetcodeTest;

import org.junit.Test;

import java.util.*;

public class LeetcodeTest {

    @Test
    public void test() {
        Integer.toBinaryString(3);

        List<Integer> a = new ArrayList<>();
        a.addAll(Arrays.asList(1,2,3));
        a.addAll(Arrays.asList(4,5,6));
        System.out.println(a);
    }
}
